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HEAS Data Platform · Materials Science Database

K5Ca3Nb8O24

Alexandria ALEX

Alex-ID: agm010615435 · Space group: Pm (#6)

Basic Information

Formula
K5Ca3Nb8O24
Alex-ID
agm010615435
Elements
4
Sites
40
Space group
Pm (#6)
Crystal system
monoclinic
Volume
527.38
ų
Cell a
16.1596
Å
Cell b
5.7058
Å
Cell c
5.7198
Å
α angle
89.79
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K5Ca3Nb8O24
K
5.00 · 12.5%
Ca
3.00 · 7.5%
Nb
8.00 · 20.0%
O
24.00 · 60.0%

Energy & Stability

Energy above hull
0.0122
eV/atom
Formation energy
-2.9930
eV/atom
Corrected total energy
-330.7930
eV
Raw total energy
-313.9381
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.3265
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B5C8D24_6_spg6

Decomposition

K3CaNb4O12 Ca2Nb2O7 CaNb2O4 K3NbO4

Computed at

2024-08-24 23:54:06.019083

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm010615435).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm010615435
data_agm010615435
_cell_length_a     16.15964
_cell_length_b     5.70578
_cell_length_c     5.71976
_cell_angle_alpha  89.78711
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       527.37761
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  K1 K 0.50000 0.50343 0.99232 1.00000
  K2 K 0.00000 0.49548 0.99869 1.00000
  K3 K 0.24942 0.00010 0.50194 1.00000
  K4 K 0.75058 0.00010 0.50194 1.00000
  K5 K 0.00000 0.99335 0.49748 1.00000
  Ca1 Ca 0.50000 0.00347 0.45701 1.00000
  Ca2 Ca 0.23745 0.50617 0.01033 1.00000
  Ca3 Ca 0.76255 0.50617 0.01033 1.00000
  Nb1 Nb 0.62517 0.00382 0.99597 1.00000
  Nb2 Nb 0.37483 0.00382 0.99597 1.00000
  Nb3 Nb 0.12476 0.99471 0.99938 1.00000
  Nb4 Nb 0.37523 0.50105 0.50132 1.00000
  Nb5 Nb 0.87507 0.49631 0.49957 1.00000
  Nb6 Nb 0.62477 0.50105 0.50132 1.00000
  Nb7 Nb 0.87524 0.99471 0.99938 1.00000
  Nb8 Nb 0.12493 0.49631 0.49957 1.00000
  O1 O 0.25232 0.95541 0.00630 1.00000
  O2 O 0.74768 0.95541 0.00630 1.00000
  O3 O 0.38663 0.73461 0.23477 1.00000
  O4 O 0.12180 0.74172 0.24381 1.00000
  O5 O 0.87820 0.74172 0.24381 1.00000
  O6 O 0.61337 0.73461 0.23477 1.00000
  O7 O 0.13283 0.25185 0.24264 1.00000
  O8 O 0.37513 0.22425 0.28287 1.00000
  O9 O 0.86717 0.25185 0.24264 1.00000
  O10 O 0.62487 0.22425 0.28287 1.00000
  O11 O 0.50000 0.44881 0.52102 1.00000
  O12 O 0.00000 0.48039 0.50658 1.00000
  O13 O 0.74788 0.52083 0.47682 1.00000
  O14 O 0.25212 0.52083 0.47682 1.00000
  O15 O 0.61316 0.79060 0.71722 1.00000
  O16 O 0.38684 0.79060 0.71722 1.00000
  O17 O 0.12697 0.74217 0.75265 1.00000
  O18 O 0.87303 0.74217 0.75265 1.00000
  O19 O 0.13749 0.25649 0.75904 1.00000
  O20 O 0.35781 0.29451 0.79423 1.00000
  O21 O 0.86251 0.25649 0.75904 1.00000
  O22 O 0.64219 0.29451 0.79423 1.00000
  O23 O 0.50000 0.03374 0.99981 1.00000
  O24 O 0.00000 0.01243 0.98967 1.00000
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